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MSI GeForce GTX 560 Twin Frozr II Review
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by Rob Williams on May 18, 2011 in NVIDIA-Based GPU

To help fill a model gap that no one told us about, NVIDIA has released its GeForce GTX 560, a slight step down from the Ti variant. Featuring a cut of 48 cores and the potential for wildly varying clock speeds, this card is a strange beast. But, we look to pit MSI’s ‘Twin Frozr II’ against our usual fleet of cards to see where it stacks up in the end.

Power & Temperatures

To test our graphics cards for both temperatures and power consumption, we utilize OCCT for the stress-testing, GPU-Z for the temperature monitoring, and a Kill-a-Watt for power monitoring. The Kill-a-Watt is plugged into its own socket, with only the PC connect to it.

As per our guidelines when benchmarking with Windows, when the room temperature is stable (and reasonable), the test machine is boot up and left to sit at the desktop until things are completely idle. Because we are running such a highly optimized PC, this normally takes one or two minutes. Once things are good to go, the idle wattage is noted, GPU-Z is started up to begin monitoring card temperatures, and OCCT is set up to begin stress-testing.

To push the cards we test to their absolute limit, we use OCCT in full-screen 2560×1600 mode, and allow it to run for 15 minutes, which includes a one minute lull at the start, and a four minute lull at the end. After about 5 minutes, we begin to monitor our Kill-a-Watt to record the max wattage.

In the case of dual-GPU configurations, we measure the temperature of the top graphics card, as in our tests, it’s usually the one to get the hottest. This could depend on GPU cooler design, however.

Note: Due to changes AMD and NVIDIA made to the power schemes of their respective current-gen cards, we were unable to run OCCT on them. Rather, we had to use a less-strenuous run of 3DMark Vantage. We will be retesting all of our cards using this updated method the next time we overhaul our suite.

Compared to the reference GTX 560 Ti design, MSI’s Twin Frozer non-Ti shines. Despite being tested in a room with a temp 3°C higher, the card ran 13°C cooler at full load, though sat a bit warmer at idle with +4°C tacked on. The fact that the room temperature was just a bit warmer could have had something to do with it.

Power-wise, MSI’s card draws a bit more juice, with +15W at load and +12W at idle. This is no doubt due to its “overclocked” state, and while it does prove to be mighty fast, the reference Ti does remain faster with a lower power consumption.


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